3783794945 has 12 divisors (see below), whose sum is σ = 5281869204. Its totient is φ = 2594602080.

The previous prime is 3783794891. The next prime is 3783794951. The reversal of 3783794945 is 5494973873.

It can be written as a sum of positive squares in 2 ways, for example, as 514699969 + 3269094976 = 22687^2 + 57176^2 .

It is not a de Polignac number, because 3783794945 - 2¹² = 3783790849 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7721786 + ... + 7722275.

It is an arithmetic number, because the mean of its divisors is an integer number (440155767).

Almost surely, 2^3783794945 is an apocalyptic number.

3783794945 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3783794945 is a deficient number, since it is larger than the sum of its proper divisors (1498074259).

3783794945 is a wasteful number, since it uses less digits than its factorization.

3783794945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15444080 (or 15444073 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 59.

The square root of 3783794945 is about 61512.5592460597. The cubic root of 3783794945 is about 1558.2693585666.

The spelling of 3783794945 in words is "three billion, seven hundred eighty-three million, seven hundred ninety-four thousand, nine hundred forty-five".